AP EAPCET 2024 - 19th May Evening Shift

An alcohol $X\left(\mathrm{C}_4 \mathrm{H}_{10} \mathrm{O}\right)$ reacts with conc. HCl at room temperature to give $Y\left(\mathrm{C}_4 \mathrm{H}_9 \mathrm{Cl}\right)$. Reaction of $X$ with copper at 573 K gave $Z$. What is $Z$ ?

A carbonyl compound $X\left(\mathrm{C}_3 \mathrm{H}_6 \mathrm{O}\right)$ on oxidation gave a carboxylic acid $Y\left(\mathrm{C}_3 \mathrm{H}_6 \mathrm{O}_2\right)$. Oxime of $X$ is

\(\text { What is } Y \text { in the following reaction sequence? }\)

In the ground state of hydrogen atom, electron absorbs 1.5 times energy than the minimum energy $\left(2.18 \times 10^{-18} \mathrm{~J}\right)$ to escape from the atom. The wavelength of the emitted electron (in $m$ ) is ( $m_e=9 \times 10^...

A golf ball of mass $m \mathrm{~g}$ has a speed of $50 \mathrm{~ms}^{-1}$. If the speed can be measured within accuracy of $2 \%$ the uncertainty in the position is (in m)

The carbohydrate which does not react with ammonical $\mathrm{AgNO}_3$ solution is

Identify the amino acid which has

The correct increasing order of number of lone pair of electrons on the central atom of $\mathrm{SnCl}_2, \mathrm{XeF}_2, \mathrm{CIF}_3$ and $\mathrm{SO}_3$ is

In which of the following sets of molecules, the centil atoms of molecules have same hybridisation?

$K_{\mathrm{c}}$ for the following reaction is 99.0
\(A_2(g) \stackrel{T(K)}{\rightleftharpoons} B_2(g)\)
In a one litre flask, 2 moles of $A_2$ was heated to $T(\mathrm{~K})$ and the above equilibrium is reached. The concentration at equ...

The first order reaction, $A(g) \rightarrow B(g)+2 C(g)$ occurs at $25^{\circ} \mathrm{C}$. After 24 minutes the ratio of the concentration of products to the concentration of the reactant is $1: 3$ What is the half life is of the reaction ...

Identify the autocatalytic reaction from the following

The structure given below represents

The correct sequence of reactions involved in the following conversion is

The spin only magnetic moments of the complexes $\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}$ and $\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}$ are respectively.

2.644 g of metal $(M)$ was deposited when 8040 coulombs of electricity was passed through molten $M \mathrm{~F}_2$ salt. What is the atomic mass of M?

\(\left(\mathrm{F}=96500 \mathrm{C} \mathrm{~mol}^{-1}\right)\)

The anode and cathode used in electrolytic refining of copper respectively are

Tropolone is an example for which of the following class of compounds?

Identify the Swarts reaction from the following

The major product $(X)$ formed in the given reaction is an example of

What are $X$ and $Y$ respectively in the following reaction sequence?
\(\text { Isopentane } \xrightarrow{\mathrm{KMnO}_4} X \xrightarrow{\text { Dehydration }} Y \text { Major }\)

Two statements are given below :
I. In dry cleaning, the solvent $\mathrm{Cl}_2 \mathrm{C}=\mathrm{CCl}_2$ was earlier used and now it is replaced by liquefied $\mathrm{CO}_2$
II. In bleaching of paper, $\mathrm{H}_2 \mathrm{O}_2$ was used ...

The correct statements among the following are
(i) saline hydrides produce $\mathrm{H}_2$ gas when reacted with water
(ii) presently $\sim 77 \%$ of the industrial dihydrogen is produced from coal
(iii) commercially marketed $\mathrm{H}_2 \...

What is the conjugate base of chloric acid?

The $\Delta T_b$ value for 0.01 m KCl solution is 0.01 K . What is the van't Hoff factor?

\(\left(K_b \text { for water }=0.52 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right)\)

200 g of $20 \% \frac{\mathrm{w}}{\mathrm{w}}$ urea solution is mixed with 400 g of $40 \% \frac{w}{w}$ urea solution. What is the weight percentage $\left(\frac{w}{w} \%\right)$ of resultant solution?

The disproportionation products of ortho phosphorus acid are

Observe the following stoichiometric equation
\(\mathrm{P}_4+3 \mathrm{OH}^{-}+3 \mathrm{H}_2 \mathrm{O} \rightarrow \mathrm{PH}_3+3 x^{-}\)
What is the conjugate acid of $x^{-}$?

Identify the correct statements
i. Oxidation of $\mathrm{NaBH}_4$ with $\mathrm{I}_2$ gives $\mathrm{B}_2 \mathrm{H}_6$
ii. $\mathrm{B}_2 \mathrm{H}_6$ burns in oxygen and releases an enormous amount of energy
iii. $\mathrm{B}_2 \mathrm{H}_...

If the first ionisation enthalpy of $\mathrm{Li}, \mathrm{Be}$ and C respectively are $520,899,1086 \mathrm{~kJ} \mathrm{~mol}^{-1}$. The first ionisation enthalpy (in $\mathrm{kJ} \mathrm{mol}^{-1}$ ) of B will be

PHBV is a biodegradable polymer of two monomers $X$ and $Y . X$ and $Y$ respectively are.

In neutral medium potassium permanganate oxidises $I^{-}$to $X$.. Identify the $X$.

The correct order of decomposition temperature of $\mathrm{MgCO}_3(X), \mathrm{BaCO}_3(Y), \mathrm{CaCO}_3(Z)$ is

Some substances are given below
$$ \begin{aligned} & \mathrm{Ag}, \mathrm{CO}_2(s), \mathrm{SiO}_2, \mathrm{ZnS} \\ & \mathrm{SO}_2(s), \mathrm{AlN}, \mathrm{HCl}(\mathrm{~s}), \mathrm{H}_2 \mathrm{O}(\mathrm{~s}) \end{aligned} $$
The numbe...

Which one of the following is used as piezoelectric material?

Identify the correct statements from the following
I. For an ideal gas, the compressibility factor is 1.0
II. The kinetic energy of $\mathrm{NO}(g)$ (molar mass $=30 \mathrm{~g} \mathrm{~mol}^{-1}$ ) at $T(\mathrm{~K})$ is $x \mathrm{~J} \m...

The following graph is obtained for a gas at different temperatures $\left(T_1, T_2, T_3\right)$. What is the correct order of temperature? $(x$-axis $=$ velocity, $y$-axis $=$ number of molecules)

Which of the following has maximum coagulating power in the coagulation of positively charged sol?

Given below are two statements :
Statement I For isothermal irreversible change of an ideal gas, $q=-w=p_{\text {ext }}\left(V_{\text {final }}-V_{\text {initial }}\right)$
Statement II For adiabatic change, $\Delta U=w_{\text {adiabatic }}...

A thermodynamic process $(B \rightarrow E)$ was completed as shown below. The work done is equal to area under the limits